Home / 43,893.90-65,818.44-14,292.72

Finding the Fourth Proportional to 43,893.90, 65,818.44 and 14,292.72

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Solution

The fourth proportional to 43,893.90, 65,818.44 and 14,292.72 is: 21,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,893.90 : 65,818.44 = 14,292.72 : x
  2. Step 2: Convert to fraction form
    43,893.90/65,818.44 = 14,292.72/x
  3. Step 3: Cross multiply
    43,893.90x = 65,818.44 × 14,292.72
  4. Step 4: Simplify right side
    43,893.90x = 940,724,533.76
  5. Step 5: Solve for x
    x = 940,724,533.76/43,893.90
  6. Step 6: Final answer
    x = 21,431.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.